63326436256 has 12 divisors (see below), whose sum is σ = 124673921442. Its totient is φ = 31663218112.

The previous prime is 63326436197. The next prime is 63326436259. The reversal of 63326436256 is 65263462336.

It can be written as a sum of positive squares in only one way, i.e., 62990960400 + 335475856 = 250980^2 + 18316^2 .

It is not an unprimeable number, because it can be changed into a prime (63326436259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989475535 + ... + 989475598.

Almost surely, 2^63326436256 is an apocalyptic number.

It is an amenable number.

63326436256 is a deficient number, since it is larger than the sum of its proper divisors (61347485186).

63326436256 is a wasteful number, since it uses less digits than its factorization.

63326436256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978951143 (or 1978951135 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 46.

The spelling of 63326436256 in words is "sixty-three billion, three hundred twenty-six million, four hundred thirty-six thousand, two hundred fifty-six".